Skip to content
FareTell

Lisbon to New York flights in December 2026 from $368 LIS → EWR, JFK, LGA

Lisbon Portela Airport (LIS) → Newark Liberty International Airport (EWR), John F. Kennedy International Airport (JFK), LaGuardia Airport (LGA)

For departures in December 2026, the cheapest return found recently is $549 with American Airlines, 15 Dec – 22 Jan 2027, found 5 days ago. The cheapest one-way found recently is $368 with Air Europa, 12 Dec, found 8 days ago.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $567 to $757. Across all 30 departure dates we hold on this route, it is usually $549 to $635. Of the 3 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$549

15 Dec – 22 Jan 2027 · American Airlines

Lisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)

out 1 stop, back 1 stop

found 5 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
15 Dec – 22 Jan 2027$549American Airlinesout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
21 Dec – 30 Dec$563Iberiaout 1 stop, back 2 stopsfound 8 days agoSee prices for these dates
8 Dec – 14 Dec$568Iberiaout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
17 Dec – 7 Jan 2027$576American Airlinesout 2 stops, back 1 stopfound 6 days agoSee prices for these dates
9 Dec – 24 Dec$720Iberiaout 1 stop, back 1 stopfound 5 days agoSee prices for these dates

Every date we hold

8 departure dates

8 Dec – 14 Dec: $568, found 6 days ago9 Dec – 24 Dec: $720, found 5 days ago15 Dec – 22 Jan 2027: $549, found 5 days ago16 Dec – 26 Dec: $755, found 8 days ago17 Dec – 7 Jan 2027: $576, found 6 days ago18 Dec – 24 Dec: $764, found 5 days ago19 Dec – 25 Dec: $865, found 5 days ago21 Dec – 30 Dec: $563, found 8 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
8 Dec – 14 Dec$568IberiaLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
9 Dec – 24 Dec$720IberiaLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
15 Dec – 22 Jan 2027$549American AirlinesLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
16 Dec – 26 Dec$755IberiaLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)out 1 stop, back 2 stopsfound 8 days agoSee prices for these dates
17 Dec – 7 Jan 2027$576American AirlinesLisbon Portela Airport (LIS) → LaGuardia Airport (LGA)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
18 Dec – 24 Dec$764IberiaLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
19 Dec – 25 Dec$865IberiaLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
21 Dec – 30 Dec$563IberiaLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)out 1 stop, back 2 stopsfound 8 days agoSee prices for these dates

Which month looks cheapest?

March 2027 is the cheapest month — from $425.

November 2026From $5922 departure dates20 Nov – 27 Nov · found 5 days agoSee prices for these dates
December 2026From $5498 departure dates15 Dec – 22 Jan 2027 · found 5 days agoSee prices for these dates
January 2027From $4409 departure dates14 Jan 2027 – 20 Jan 2027 · found 5 days agoSee prices for these datesEvery date in January 2027
February 2027From $4762 departure dates8 Feb 2027 – 14 Feb 2027 · found 6 days agoSee prices for these dates
March 2027From $425Cheapest seen7 departure dates8 Mar 2027 – 13 Mar 2027 · found 4 days agoSee prices for these datesEvery date in March 2027
June 2027From $5921 departure date5 Jun 2027 – 11 Jun 2027 · found 4 days agoSee prices for these dates
September 2027From $6021 departure date1 Sept 2027 – 30 Sept 2027 · found 6 days agoSee prices for these dates

One-way

We hold one-way fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$368

12 Dec · Air Europa

Lisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)

1 stop

found 8 days ago

See prices for these datesCheck today's price

It is also the cheapest one-way we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
12 Dec$368Air Europa1 stopfound 8 days agoSee prices for these dates

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
12 Dec$368Air EuropaLisbon Portela Airport (LIS) → John F. Kennedy International Airport (JFK)1 stopfound 8 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $368.

December 2026From $368Cheapest seen1 departure date12 Dec · found 8 days agoSee prices for these dates
October 2027From $4411 departure date28 Oct 2027 · found 4 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work